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logcounter.go
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/
logcounter.go
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package node
import (
"sync/atomic"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
type LogSizeCounter struct {
level zapcore.Level
ctr atomic.Uint64
}
func NewLogSizeCounter(lvl zapcore.Level) *LogSizeCounter {
return &LogSizeCounter{
level: lvl,
}
}
func (lc *LogSizeCounter) Reset() uint64 {
n := lc.ctr.Load()
lc.ctr.Store(0)
return n
}
func (lc *LogSizeCounter) Sync() error { return nil }
func (lc *LogSizeCounter) Write(p []byte) (n int, err error) {
n = len(p)
lc.ctr.Add(uint64(n))
return n, nil
}
func (lc *LogSizeCounter) Core() zapcore.Core {
var output zapcore.WriteSyncer = lc
encoder := zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig())
priority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
return lvl >= lc.level
})
return zapcore.NewCore(encoder, output, priority)
}